Add a warning about SingleThreadEventExecutor.pendingTasks() operation
Fix typo
Better exception message when tickDuration is too big

- Related: #1246
- Fix misc inspector warnings
[#1247] Add test which shows the problem with concrete classes that pass in the type based on a generic
[#1247] Add javadocs which tell the limitation of the type detection as there is nothing we can do about
[#1262] Respect adjustment when using SlicedByteBuf.nioBuffers()
[#1242] Fix infinity-loop which was triggered when a write failed and AioSocketChannel was used
Merge remote-tracking branch 'upstream/master'